21103032302122 has 16 divisors (see below), whose sum is σ = 33368798167200. Its totient is φ = 9981706941360.

The previous prime is 21103032302111. The next prime is 21103032302239. The reversal of 21103032302122 is 22120323030112.

It is a junction number, because it is equal to n+sod(n) for n = 21103032302093 and 21103032302102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 401813797 + ... + 401866312.

It is an arithmetic number, because the mean of its divisors is an integer number (2085549885450).

Almost surely, 2^{21103032302122} is an apocalyptic number.

21103032302122 is a deficient number, since it is larger than the sum of its proper divisors (12265765865078).

21103032302122 is a wasteful number, since it uses less digits than its factorization.

21103032302122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803680821.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 21103032302122 its reverse (22120323030112), we get a palindrome (43223355332234).

The spelling of 21103032302122 in words is "twenty-one trillion, one hundred three billion, thirty-two million, three hundred two thousand, one hundred twenty-two".